Is Vienna Correctional Center Lake Safe for Swimming?
Vienna Correctional Center Lake in Johnson County, Wisconsin has a water quality grade of C (Fair). Generally safe for swimming, moderate water quality. Water clarity: 4.5 ft visibility. Phosphorus: 20 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | C (Fair) |
| Water Clarity (Secchi Depth) | 4.5 ft |
| Phosphorus | 20 μg/L |
| Location | Johnson County, Wisconsin |
How does Vienna Correctional Center Lake compare?
With an overall water quality grade of C, Vienna Correctional Center Lake matches or beats the Wisconsin state average of Grade D. It ranks #1 of 2 lakes in Johnson County by water quality score.
Water clarity (Secchi depth) sits at 4.5 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment.